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1.
Chinese Journal of Biotechnology ; (12): 602-606, 2007.
Artigo em Chinês | WPRIM | ID: wpr-327979

RESUMO

To carry out the secretive expression of human 67 kD laminin receptor (67LR), recombinant expression plasmid pPIC9K-67LR was constructed by inserting of 67LR cDNA into yeast expression vector pPIC9K. The 67LR protein was expressed in Pichia pastoris after induced by methanol, and about 12.56 mg electrophoresis purity 67LR could be obtained after the purification of 1L culture using affinity chromatograph column. In vitro competitive binding assay showed that target protein has an excellent biological activity. The successful expression of 67LR has placed a solid foundation for the research on structure and functions of 67LR.


Assuntos
Humanos , Vetores Genéticos , Pichia , Genética , Metabolismo , Plasmídeos , Genética , Receptores de Laminina , Genética , Proteínas Recombinantes , Genética , Metabolismo
2.
Chinese Journal of Biotechnology ; (12): 226-230, 2006.
Artigo em Chinês | WPRIM | ID: wpr-286304

RESUMO

To carry out the secretive expression of human laminin alpha4 chain LG4-5 module (hLNalpha4LG4-5), recombinant expression plasmid pPICZalphaA-LG45 was constructed by inserting of hLNalpha4LG4-5 cDNA into yeast expression vector pPICZaA. The hLNalpha4LG4-5 protein was expressed in GS115 Pichia yeast strain after induced by methanol, and purified target protein can obviously promote the expansion and adhesion of 293 cells.


Assuntos
Humanos , Linhagem Celular , Vetores Genéticos , Laminina , Genética , Pichia , Genética , Metabolismo , Plasmídeos , Genética , Proteínas Recombinantes de Fusão , Genética
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